GoGeometry Action 28! (Quick Angle Problem)

Autor:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the pink angle? How can you formally prove this to be true?

Nuevos recursos

Congruent Figures
bewijs stelling van Pythagoras
Parabolas, Lines and Nomograms
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Function art 3D - waiting shed (v2)

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ĐIỂM THUỘC ĐƯỜNG THẲNG
Equilateral Triangle: MS
Golf thingy
triangle
Hafaliadau Cydamserol (cromlin a llinell syth)

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Función lineal
Funciones cuadráticas
Triángulos Isósceles
Ecuaciones Cuadráticas
Regresión Lineal